
Questions & Answers about souryou ga takai.
送料 is a noun. It means shipping fee, postage, or delivery charge, depending on context.
It is made of:
- 送 = sending
- 料 = fee/charge
So it refers to the money charged for shipping something.
が marks 送料 as the thing being described.
In this sentence, 高い describes 送料, so が shows that shipping costs are what is high.
A simple way to think of it:
- 送料 = shipping fee
- が = is the thing that...
- 高い = is high/expensive
So が connects the noun to the adjective predicate.